# Physics Quiz On Simple Machines

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Questions: 28 | Attempts: 9,496  Settings  How well do you know about simple machines? Can you pass this "Simple machines test?" Give this Physics quiz a try and check your knowledge regarding machines. In physics, a mechanical device that can change the direction or magnitude of a force is called a simple machine. So, here we are with this test that contains 28 questions on the topic. If you are that genius who can play physics, then get through this test with 100% accuracy; we challenge you!

• 1.

### The picture above illustrates which of the six simple machines?

• A.

Pulley

• B.

Wedge

• C.

Inclined Plane

• D.

Liver

C. Inclined Plane
Explanation
The picture above illustrates an inclined plane. An inclined plane is a simple machine that is a flat surface that is tilted. It allows objects to be moved up or down with less force by increasing the distance over which the force is applied. In the picture, the surface is shown to be sloping upwards, indicating the presence of an inclined plane.

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• 2.

### The picture above illustrates which of the six simple machines?

• A.

Lever

• B.

Pulley

• C.

Wheel and Axle

• D.

Inclined plane

B. Pulley
Explanation
The picture above illustrates a pulley. A pulley is a simple machine that consists of a wheel with a groove, along with a rope or chain that runs along the groove. It is used to change the direction of a force and make it easier to lift or move heavy objects. In the picture, we can see a wheel with a rope running along its groove, indicating that it is a pulley.

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• 3.

### The picture above illustrates which of the six simple machines?

• A.

Inclined Plane

• B.

Wedge

• C.

Screw

• D.

Liver

C. Screw
Explanation
The picture above illustrates a screw. A screw is a simple machine that consists of an inclined plane wrapped around a cylinder or cone. It is used to fasten objects together or to lift or lower objects. The spiral threads on the screw allow it to move through a solid material, creating a mechanical advantage. In the picture, the helical shape and the presence of threads indicate that it is a screw.

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• 4.

### The picture above illustrates which of the six simple machines?

• A.

Wheel and Axle

• B.

Pulley

• C.

Lever

• D.

Screw

A. Wheel and Axle
Explanation
The picture above illustrates the Wheel and Axle simple machine. This can be determined by observing the circular shape with a rod through the center, which represents the wheel and axle mechanism. The wheel and axle is a simple machine that consists of a wheel attached to a rod (axle) that allows for the rotation of the wheel. This simple machine is commonly used in various applications, such as car wheels, bicycle wheels, and gears.

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• 5.

### The picture above illustrates which of the six simple machines?

• A.

Inclined Plane

• B.

Wedge

• C.

Axe

• D.

Screw

B. Wedge
Explanation
The correct answer is "Wedge" because a wedge is a simple machine that is used to split or separate objects. It has a triangular shape with a sharp edge, which allows it to apply a concentrated force and exert pressure on an object, causing it to split or separate. In the given picture, the object shown resembles a wedge, indicating that it is the correct answer.

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• 6.

### This is an example to what Class Lever?

• A.

First Class Lever

• B.

Second Class Lever

• C.

Third Class Lever

• D.

Fourth Class Lever

A. First Class Lever
Explanation
A first-class lever is a type of lever where the fulcrum is located between the effort and the load. In this lever, the effort is applied on one side of the fulcrum and the load is on the other side. When the effort is greater than the load, the lever can be used to increase the force applied to the load. This lever is commonly found in tools such as scissors, pliers, and seesaws.

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• 7.

### This is an example to what Class Lever?

• A.

First Class Lever

• B.

Second Class Lever

• C.

Third Class Lever

• D.

Fourth Class Lever

B. Second Class Lever
Explanation
A second class lever is a type of lever where the load is located between the fulcrum and the effort. In this type of lever, the effort arm is always longer than the load arm, which means that less effort is required to move a heavier load. This lever is commonly found in tools and machines, such as wheelbarrows and bottle openers.

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• 8.

### This is an example to what Class Lever?

• A.

First Class Lever

• B.

Second Class Lever

• C.

Third Class Lever

• D.

Fourth Class Lever

C. Third Class Lever
Explanation
A third-class lever is the correct answer because in this type of lever, the effort is applied between the fulcrum and the load. The load is closer to the fulcrum than the effort, which means that the effort arm is longer than the load arm. This type of lever is commonly found in everyday objects, such as tweezers or a fishing rod.

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• 9.

### This is an example to what Class Lever?

• A.

First Class Lever

• B.

Second Class Lever

• C.

Third Class Lever

• D.

Fourth Class Lever

B. Second Class Lever
Explanation
A second class lever is characterized by having the load situated between the fulcrum and the effort. In this type of lever, the effort arm is always longer than the load arm, which allows for increased mechanical advantage. This means that a smaller amount of effort is required to move a larger load. Examples of second class levers include a wheelbarrow, a nutcracker, and a bottle opener.

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• 10.

### The picture above illustrates which of the six simple machines?

• A.

Screw

• B.

Gears

• C.

Wheel and Axle

• D.

Inclined plane

C. Wheel and Axle
Explanation
The picture above illustrates a wheel and axle. This is because there is a circular wheel attached to a rod or axle in the image. The wheel and axle is a simple machine that allows for the movement of objects or the transmission of force by rotating the wheel around the axle. It is commonly used in vehicles, machines, and various mechanical devices.

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• 11.

### Motion is moving.

• A.

True

• B.

False

A. True
Explanation
Motion is the act of changing position or location. It implies movement from one place to another. Therefore, motion is inherently associated with the concept of moving. Hence, the statement "Motion is moving" is true.

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• 12.

### Speed that remains at a steady pace and does not slow down or speed up is known as

• A.

Variable Speed

• B.

Constant Speed

• C.

Average Speed

• D.

Instantaneous Speed

B. Constant Speed
Explanation
Constant speed refers to a situation where an object or system maintains a consistent velocity over time, without any changes in its speed or direction. In other words, it does not slow down or speed up but moves at a steady pace. This term is commonly used in physics and is important in understanding various concepts such as motion, acceleration, and forces acting on an object.

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• 13.

### Speed that changes and becomes different is known as

• A.

Variable Speed

• B.

Constant Speed

• C.

Average Speed

• D.

Instantaneous Speed

A. Variable Speed
Explanation
Variable speed refers to the speed that changes and becomes different over time. Unlike constant speed, where the speed remains the same, variable speed can fluctuate or vary depending on the conditions or factors affecting the object's motion. Average speed, on the other hand, is the total distance traveled divided by the total time taken, and instantaneous speed refers to the speed at a specific moment in time. Therefore, the correct answer is variable speed.

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• 14.

### Force can be known as a push.

• A.

True

• B.

False

A. True
Explanation
Force can be known as a push because force is a physical quantity that can cause an object to move or change its shape. A push is a type of force where an object is being pushed away from the source of the force. Other types of forces include pulls, twists, and impacts. Therefore, it is true that force can be referred to as a push.

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• 15.

### Force can be known as a pull.

• A.

True

• B.

False

A. True
Explanation
Force can be known as a pull because force is a push or pull that can cause an object to move, change direction, or stop. When we exert a force on an object, we can either push it away from us or pull it towards us. Therefore, force can indeed be referred to as a pull.

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• 16.

### Place a check next to the words that best describe Contact Force

• A.

Magnetism

• B.

Smash

• C.

Collide

• D.

Gravity

• E.

Crash

• F.

Peaceful

• G.

Ram

• H.

Friction

B. Smash
C. Collide
E. Crash
G. Ram
H. Friction
Explanation
Contact force is a force that occurs when two objects physically touch each other. It can be described by words such as smash, collide, crash, ram, and friction. These words indicate that contact force involves objects coming into direct contact with each other and experiencing a forceful interaction. Magnetism, gravity, and peaceful are not words that describe contact force as they do not involve physical contact between objects.

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• 17.

### Which of the following best describes Friction?

• A.

A non-contact force such as gravity

• B.

Tires sliding on ice

• C.

A contact force that slows an object’s motion

• D.

All of these

C. A contact force that slows an object’s motion
Explanation
Friction is a contact force that slows an object's motion. When two objects are in contact and there is resistance between them, it is friction that causes this resistance and slows down the motion of the object. This can be observed in various situations, such as when tires slide on ice or when we try to slide a heavy object on a rough surface. Friction is not a non-contact force like gravity, but rather a force that occurs when two surfaces come into contact and oppose each other's motion. Therefore, the correct answer is "A contact force that slows an object's motion."

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• 18.

### Gravity is ...

• A.

A pull towards the ground

• B.

A push towards the clouds

• C.

The result of two metals containing iron attached together

• D.

All of these

A. A pull towards the ground
Explanation
Gravity is the force that attracts objects towards each other. It is the reason why objects fall towards the ground instead of floating in the air. Therefore, the statement "A pull towards the ground" accurately describes gravity. The other options, "A push towards the clouds" and "The result of two metals containing iron attached together," are incorrect and do not accurately describe gravity.

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• 19.

### Which of the following best describes non-contact forces?

• A.

Pulling & Colliding

• B.

Magnetism & Inclined Planes

• C.

Gravity & Magnetism

• D.

Pushing & Pulling

C. Gravity & Magnetism
Explanation
Non-contact forces refer to forces that act on objects without any physical contact between them. Gravity and magnetism are examples of non-contact forces. Gravity is the force that attracts objects towards each other, such as the force that keeps us on the ground and the force that keeps planets in orbit around the sun. Magnetism is the force exerted by magnets, which can attract or repel other magnets or magnetic materials. Both gravity and magnetism can act over a distance, without the need for direct contact between objects.

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• 20.

### When you increase the distance of a moving object on an inclined plane ...

• A.

Less force is needed

• B.

More force is needed

• C.

The force remains the same

• D.

No force is needed

A. Less force is needed
Explanation
When you increase the distance of a moving object on an inclined plane, less force is needed. This is because as the distance increases, the inclined plane provides a longer path for the object to travel, allowing it to cover more distance with the same amount of force. This means that the force required to move the object along the inclined plane decreases as the distance increases.

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• 21.

### The center of this teeter-totter would be known as the ...

• A.

Effort

• B.

• C.

Fulcrum

• D.

None of the above

C. Fulcrum
Explanation
The center of a teeter-totter is known as the fulcrum. The fulcrum is the point on which the teeter-totter pivots, allowing it to balance and move up and down. It is the point of support or the point where the lever arm rotates. In the case of a teeter-totter, the fulcrum is usually located in the middle, between the two seats.

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• 22.

### When studying Simple Machines, the Load would be known as ...

• A.

How much effort you push

• B.

What you are trying to move

• C.

The item that pivots

• D.

All of the above

B. What you are trying to move
Explanation
The load in simple machines refers to the object or weight that needs to be moved or lifted. In this context, it is what you are trying to move. The load is the resistance that the machine is designed to overcome, and the effort applied is used to move the load. Therefore, the correct answer is "What you are trying to move."

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• 23.

### The best definition of Work is the ability to ...

• A.

Feel exhausted and tired

• B.

Take a lunch break

• C.

Move an object

• D.

Sit idle

C. Move an object
Explanation
Work is defined as the ability to move an object. This definition aligns with the scientific concept of work, which is the exertion of force on an object that results in displacement. When an object is moved, work is being done on it. The other options, such as feeling exhausted, taking a lunch break, or sitting idle, do not accurately define work in this context.

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• 24.

### When two metals containing iron begin to pull closer and attach themselves, this is known as

• A.

Attract

• B.

Repel

• C.

Both A and B

• D.

Option 4

A. Attract
Explanation
When two metals containing iron begin to pull closer and attach themselves, it is known as attraction. This occurs due to the presence of magnetic properties in the metals, specifically iron. The magnetic fields of the two metals align and create a force that pulls them towards each other, causing them to attach. This phenomenon is commonly observed in magnets and magnetic materials.

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• 25.

### More pulleys reduce the amount of force needed to lift an object.

• A.

True

• B.

False

A. True
Explanation
The statement is true because when multiple pulleys are used, they distribute the load over a larger number of ropes, which reduces the force required to lift the object. Each additional pulley increases the mechanical advantage, making it easier to lift heavy objects. This principle is based on the concept of leverage and the trade-off between force and distance.

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• 26.

### Less pulleys reduce the amount of force needed to lift an object.

• A.

True

• B.

False

B. False
Explanation
This statement is false because in reality, using more pulleys actually reduces the amount of force needed to lift an object. Pulleys are used to distribute the weight of the object evenly across multiple ropes, which reduces the force required to lift it. By increasing the number of pulleys, the force needed to lift the object decreases even further. Therefore, the correct answer is false.

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• 27.

### The weight of something is known as its

• A.

Volume

• B.

Mass

• C.

Magnetism

• D.

Gravity

B. Mass
Explanation
The weight of an object refers to the force exerted on it due to gravity. However, mass is the measure of the amount of matter in an object, and it is often used interchangeably with weight in everyday language. Mass is a scalar quantity and is typically measured in kilograms. Therefore, the correct answer is "Mass" as it accurately represents the concept of weight.

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• 28.

### Which of the six Simple Machines allows you to hold something in place?

• A.

Screw

• B.

Inclined Plane

• C.

Pulley

• D.

Gear Back to top